[  748.191817][T20412] br0: port 1(veth1) entered blocking state
[  748.192032][T20412] br0: port 1(veth1) entered disabled state
[  748.192217][T20412] veth1: entered allmulticast mode
[  748.193633][T20412] veth1: entered promiscuous mode
[  748.222410][T20414] br0: port 2(veth2) entered blocking state
[  748.222637][T20414] br0: port 2(veth2) entered disabled state
[  748.223027][T20414] veth2: entered allmulticast mode
[  748.224457][T20414] veth2: entered promiscuous mode
[  748.253688][T20415] br0: port 3(veth4) entered blocking state
[  748.253884][T20415] br0: port 3(veth4) entered disabled state
[  748.254061][T20415] veth4: entered allmulticast mode
[  748.255424][T20415] veth4: entered promiscuous mode
[  748.472368][   T36] br0: port 1(veth1) entered blocking state
[  748.472583][   T36] br0: port 1(veth1) entered forwarding state
[  748.495166][   T38] br0: port 2(veth2) entered blocking state
[  748.495344][   T38] br0: port 2(veth2) entered forwarding state
[  748.520149][   T38] br0: port 3(veth4) entered blocking state
[  748.520337][   T38] br0: port 3(veth4) entered forwarding state
[  762.293345][T20487] veth3: entered promiscuous mode
[  763.516422][T20496] veth3: left promiscuous mode
[  763.544034][T20497] veth3: entered promiscuous mode
[  764.764710][T20506] veth3: left promiscuous mode
[  764.821151][T20514] br0: port 3(veth4) entered disabled state
[  764.844731][T20515] br0: port 2(veth2) entered disabled state
[  764.869387][T20516] br0: port 1(veth1) entered disabled state
[  764.898440][T20517] veth4: left allmulticast mode
[  764.898590][T20517] veth4: left promiscuous mode
[  764.898800][T20517] br0: port 3(veth4) entered disabled state
[  764.899974][T20517] veth2: left allmulticast mode
[  764.900105][T20517] veth2: left promiscuous mode
[  764.900307][T20517] br0: port 2(veth2) entered disabled state
[  764.901177][T20517] veth1: left allmulticast mode
[  764.901307][T20517] veth1: left promiscuous mode
[  764.901501][T20517] br0: port 1(veth1) entered disabled state